Cometic, EST top end gasket kit. Evo XL 3-3/4" big bore - 86-90 4-speed XL with 3-3/4" big bore cylinders (NU) 555681 dimensions: 78mm wide x 82mm

dimensions: 78mm wide x 82mm high x 78mm deep

Black anodized sprocket caliper

(FRONT AXLE) (EXCL

Ice can stay in the cooler for up to 5 days

The RAP (Remote Adjustable Preload) system allows for easy tuning of the shocks to account for changing loads or the addition of a passenger and is conveniently located behind the left passenger peg

Cometic, EST top end gasket kit. Evo XL 3-3/4" big bore - 86-90 4-speed XL with 3-3/4" big bore cylinders (NU) 555681 dimensions: 78mm wide x 82mmWith MLS (Multi Layer Steel) . 040" thick head gaskets. SLS (Single Layer Steel) cylinder base gaskets and SLS rocker cover gaskets used in these sets are . 020" thick and have . 001" of high temperature viton rubber coating on both sides. Kit comes with all gaskets, seals and o ring for a complete top end rebuild.